1 |
Which prosess is characterized by movement and rearrangement of cells in the embryo |
- A. Blastulation
- B. None of these
- C. Neurulation
- D. Gastrulation
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2 |
During elongation, the cell volume increase upto. |
- A. 50 fold
- B. 100 fold
- C. 150 fold
- D. 200 fold
|
3 |
The human life is judged to be maximum of. |
- A. 60-70 years
- B. 70-100 years
- C. 120 -175 years
- D. 130-135 years
|
4 |
A plant has a growth pattern called. |
- A. Open growth
- B. Meristem
- C. Growing point
- D. Apical
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5 |
During elongation the cell volume increase up to 150 fold due to uptake of |
- A. Light
- B. Oxygen
- C. Water
- D. Carbon dioxide
|
6 |
Gray vegetal cytoplasm gives rise to. |
- A. Gut
- B. Muscle cells
- C. Notochord
- D. Larval epidermis
|
7 |
Environmental factors causing abnormal development are grouped together as. |
- A. Toxins
- B. Carcinogens
- C. Teratogens
- D. Mutagens
|
8 |
In addition to auxin which hormone also play important role in apical domince |
- A. Abcesic acid
- B. Gibberellins
- C. 2,4-D
- D. Cytokinins
|
9 |
Immediately after fertilization, the egg undergoes a series |
- A. Morulla
- B. Gastrulation
- C. Cleavage
- D. Blastula
|
10 |
In which developmental stage, germ layers are formed. |
- A. Cleavage
- B. Blastula
- C. Gastrula
- D. Organogenesis
|